myHead=(new Date()).getMonth();
if(myHead==0){ 
myIMG="/img/head_win.gif"; 
}else if(myHead==1){
myIMG="/img/head_win.gif";
}else if(myHead==2){
myIMG="/img/head_spr.gif";
}else if(myHead==3){
myIMG="/img/head_spr.gif";
}else if(myHead==4){
myIMG="/img/head_spr.gif";
}else if(myHead==5){
myIMG="/img/head_sum.gif";
}else if(myHead==6){
myIMG="/img/head_sum.gif";
}else if(myHead==7){
myIMG="/img/head_sum.gif";
}else if(myHead==8){
myIMG="/img/head_fal.gif";
}else if(myHead==9){
myIMG="/img/head_fal.gif";
}else if(myHead==10){
myIMG="/img/head_fal.gif";
}else if(myHead==11){
myIMG="/img/head_win.gif";
}
document.write("<img src='"+myIMG+"'>");